Standard Ignition TS-225 Engine Coolant Temperature Sender

Engine Coolant Temperature Sender for Ford Probe

Standard Ignition TS-225 is an engine coolant temperature sender built for accurate electrical signaling in cooling-system applications. It is a direct-fit option for 1990-1992 Ford Probe models with a gauge and an engine-mounted 1-terminal setup.

• Attachment method: bolt-on
• Connector gender: male
• Connector type: plug-in
• Connector shape: round
• Connector quantity: 1
• Terminal gender: male
• Terminal type: stud
• Terminal quantity: 1
• Thread size: 3/8-18

Built for Accurate Temperature Signaling

The Standard Ignition TS-225 uses a calibrated thermal design with factory-tested actuation points to help deliver consistent coolant temperature signal output. Its formed bimetal contact arm and precision-calibrated switching action support reliable operation in the cooling system, while the robust construction and quality materials reflect Standard Ignition’s OE-focused manufacturing standards. This part cross-references Four Seasons 37946 for the same application.

Vehicle Fitment

• Fits 1990-1992 Ford Probe, N/A, 1 Term.; With Gauge; On Engine

Common Issues This Part Can Address

• Inaccurate coolant temperature gauge readings
• Intermittent or erratic temperature signal output
• Failed sender contact due to heat cycling and wear
• Cooling-system warning concerns tied to sender malfunction

Installation Notes and Tips

Verify the connector style, terminal layout, and 3/8-18 thread size before installation. This TS-225 is specified for engine-mounted applications on Ford Probe models with a gauge, so confirm the original sender location and electrical connection match the vehicle’s existing setup.

Quality Assurance

Standard Ignition calibrates and tests each thermal switch during production to confirm actuation at the specified temperature. The TS-225 is manufactured under complete quality control from component selection through finished product inspection.